ADDISON, PA · Somerset County

ADDISON AREA WATER AUTH Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID): PA4560028
System type: Community Water System
Population served: 284
Service connections: 147
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrite
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
February 1, 2024 – February 29, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Endrin
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Dalapon
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Diquat
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Endothall
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Simazine
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Picloram
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Atrazine
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
LASSO
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
2,4-D
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Chlordane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Arsenic
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Barium
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Cadmium
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Chromium
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
CYANIDE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Fluoride
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Mercury
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Nickel
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Selenium
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Nitrite
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Benzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Toluene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Styrene
January 1, 2024 – December 31, 2024
Archived
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2019 – March 31, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2018 – May 31, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 13, 2017 – February 18, 2020
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
December 1, 2017 – December 31, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
October 1, 2017 – October 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 13, 2017 – November 6, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2017 – August 31, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
July 1, 2017 – July 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 13, 2017 – November 6, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
June 1, 2017 – June 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 13, 2017 – November 6, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
May 1, 2017 – May 31, 2017
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2017 – March 31, 2017
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2017 – February 28, 2017
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2017 – January 31, 2017
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
September 1, 2016 – September 30, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – October 28, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 13, 2016 – July 8, 2016
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
May 1, 2016 – May 31, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
September 1, 2015 – September 30, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2015 – August 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – December 13, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2015 – March 31, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2014 – August 31, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – October 14, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2014 – June 30, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2009 – December 1, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 31, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 11, 2008 – January 21, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2008 – December 8, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2008 – December 31, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 10, 2008 – August 20, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – September 23, 2008
Resolved
Non-Acute MRDL
Health-based
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2007 – December 31, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – August 19, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2006 – September 30, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – August 19, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2006 – June 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2005 – September 30, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – August 19, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Archived
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2004 – May 12, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – October 27, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2003 – January 23, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – January 17, 2006
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – September 6, 1994
Resolved
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Barium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Arsenic
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Fluoride
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Chromium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Cadmium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Selenium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Nitrate
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Mercury
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
August 1, 1976 – July 31, 1980
Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrite	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
February 1, 2024 – February 29, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Endrin	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Diquat	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Endothall	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Simazine	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Picloram	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Atrazine	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	LASSO	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,3,7,8-TCDD	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4-D	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Chlordane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Arsenic	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Barium	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Cadmium	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Chromium	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	CYANIDE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Fluoride	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Mercury	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nickel	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Selenium	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrite	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Toluene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Styrene	—	Archived
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 13, 2017 – February 18, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2017 – December 31, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
October 1, 2017 – October 31, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
August 13, 2017 – November 6, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2017 – August 31, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
July 1, 2017 – July 31, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
June 13, 2017 – November 6, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2017 – June 30, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
May 13, 2017 – November 6, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2017 – May 31, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
March 1, 2017 – March 31, 2017	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
September 1, 2016 – September 30, 2016	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2016 – October 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 13, 2016 – July 8, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2016 – May 31, 2016	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
September 1, 2015 – September 30, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
August 1, 2015 – August 31, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2015 – December 13, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 1, 2015 – March 31, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2014 – October 14, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2009 – December 1, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 11, 2008 – January 21, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 11, 2008 – December 8, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 10, 2008 – August 20, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2008 – September 23, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2008 – June 30, 2008	Non-Acute MRDL	Chlorine	Health-based	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2007 – August 19, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – August 19, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2005 – August 19, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Archived
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2004 – May 12, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2004 – October 27, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2003 – January 23, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2003 – January 17, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 1994 – September 6, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Barium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Arsenic	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Fluoride	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Chromium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Cadmium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Selenium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Nitrate	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Mercury	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
July 1, 1980 – June 30, 1984	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
August 1, 1976 – July 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

February 11, 2026State Public Notification requested2 linked violations
February 11, 2026State Formal Notice of Violation issued2 linked violations
December 11, 2025State Compliance achieved2 linked violations
February 12, 2025State Public Notification requested34 linked violations
February 12, 2025State Formal Notice of Violation issued34 linked violations
November 12, 2024State Formal Notice of Violation issued2 linked violations
August 13, 2024State Public Notification requested30 linked violations
August 13, 2024State Formal Notice of Violation issued30 linked violations
March 29, 2024State Compliance achieved1 linked violation
March 29, 2024State Violation/Reminder Notice1 linked violation
February 18, 2020State Compliance achieved2 linked violations
February 18, 2020State Violation/Reminder Notice2 linked violations
February 10, 2020State Compliance achieved1 linked violation
December 30, 2019State Compliance achieved1 linked violation
December 13, 2019State Compliance achieved5 linked violations
November 27, 2019State Violation/Reminder Notice1 linked violation
November 29, 2017State Compliance achieved2 linked violations
November 29, 2017State Public Notification received2 linked violations
November 6, 2017State Formal Notice of Violation issued6 linked violations
November 6, 2017State Violation/Reminder Notice2 linked violations
November 6, 2017State Compliance achieved6 linked violations
November 6, 2017State Public Notification received6 linked violations
November 3, 2017State Compliance achieved1 linked violation
November 3, 2017State Public Notification received1 linked violation
August 30, 2017State Violation/Reminder Notice1 linked violation
August 30, 2017State Violation/Reminder Notice1 linked violation
August 22, 2017State Violation/Reminder Notice4 linked violations
August 22, 2017State Violation/Reminder Notice4 linked violations
June 12, 2017State Violation/Reminder Notice2 linked violations
June 12, 2017State Compliance achieved2 linked violations
March 16, 2017State Compliance achieved1 linked violation
November 14, 2016State Compliance achieved1 linked violation
October 28, 2016State Compliance achieved1 linked violation
September 26, 2016State Formal Notice of Violation issued1 linked violation
September 26, 2016State Formal Notice of Violation issued1 linked violation
July 8, 2016State Compliance achieved2 linked violations
July 8, 2016State Public Notification received1 linked violation
July 8, 2016State Boil Water Order1 linked violation
November 5, 2014State Compliance achieved2 linked violations
October 14, 2014State Compliance achieved1 linked violation
October 14, 2014State Violation/Reminder Notice2 linked violations
July 30, 2014State Violation/Reminder Notice1 linked violation
July 30, 2014State Violation/Reminder Notice1 linked violation
October 7, 2013State Compliance achieved2 linked violations
September 3, 2013State Formal Notice of Violation issued2 linked violations
June 17, 2013State Compliance achieved1 linked violation
December 1, 2009State Compliance achieved3 linked violations
December 1, 2009State Violation/Reminder Notice2 linked violations
October 8, 2009State Violation/Reminder Notice1 linked violation
January 21, 2009State Compliance achieved1 linked violation
January 21, 2009State Violation/Reminder Notice1 linked violation
January 21, 2009State Violation/Reminder Notice2 linked violations
January 21, 2009State Compliance achieved2 linked violations
December 8, 2008State Compliance achieved1 linked violation
December 8, 2008State Site Visit for enforcement purposes1 linked violation
September 23, 2008State Compliance achieved1 linked violation
August 20, 2008State Site Visit for enforcement purposes1 linked violation
August 20, 2008State Compliance achieved5 linked violations
August 20, 2008State Public Notification received5 linked violations
August 20, 2008State Site Visit for enforcement purposes5 linked violations
August 20, 2008State Compliance achieved1 linked violation
August 19, 2008State Compliance achieved4 linked violations
August 19, 2008State Compliance achieved1 linked violation
August 19, 2008State Violation/Reminder Notice1 linked violation
November 1, 2007State Violation/Reminder Notice2 linked violations
November 1, 2007State Violation/Reminder Notice1 linked violation
October 4, 2007State Violation/Reminder Notice1 linked violation
August 6, 2007State Site Visit for enforcement purposes1 linked violation
August 6, 2007State Compliance achieved1 linked violation
August 6, 2007State Violation/Reminder Notice1 linked violation
June 18, 2007State Site Visit for enforcement purposes1 linked violation
June 18, 2007State Compliance achieved1 linked violation
April 3, 2007State Site Visit for enforcement purposes1 linked violation
April 3, 2007State Violation/Reminder Notice1 linked violation
April 3, 2007State Compliance achieved1 linked violation
January 2, 2007State Compliance achieved1 linked violation
September 26, 2006State Violation/Reminder Notice1 linked violation
September 26, 2006State Violation/Reminder Notice1 linked violation
August 9, 2006State Compliance achieved2 linked violations
August 1, 2006State Compliance achieved2 linked violations
July 21, 2006State Compliance achieved1 linked violation
April 20, 2006State Compliance achieved1 linked violation
January 23, 2006State Compliance achieved1 linked violation
January 17, 2006State Compliance achieved1 linked violation
December 13, 2005State Compliance achieved2 linked violations
December 13, 2005State Consent Decree/Judgement2 linked violations
September 28, 2005State Formal Notice of Violation issued1 linked violation
September 28, 2005State Formal Notice of Violation issued1 linked violation
September 28, 2005State Formal Notice of Violation issued1 linked violation
August 31, 2005State Violation/Reminder Notice1 linked violation
August 31, 2005State Compliance achieved1 linked violation
June 3, 2005State Violation/Reminder Notice1 linked violation
June 3, 2005State Compliance achieved1 linked violation
May 12, 2005State Compliance achieved1 linked violation
February 9, 2005State Other1 linked violation
February 9, 2005State Violation/Reminder Notice1 linked violation
February 9, 2005State Compliance achieved1 linked violation
February 8, 2005State Violation/Reminder Notice2 linked violations
February 8, 2005State Violation/Reminder Notice2 linked violations
February 8, 2005State Violation/Reminder Notice2 linked violations
February 4, 2005State Violation/Reminder Notice1 linked violation
February 4, 2005State Violation/Reminder Notice1 linked violation
February 4, 2005State Violation/Reminder Notice1 linked violation
January 28, 2005State Violation/Reminder Notice1 linked violation
November 30, 2004State Violation/Reminder Notice2 linked violations
November 30, 2004State Violation/Reminder Notice2 linked violations
November 30, 2004State Violation/Reminder Notice2 linked violations
October 27, 2004State Compliance achieved1 linked violation
October 27, 2004State Violation/Reminder Notice1 linked violation
October 27, 2004State Consent Decree/Judgement1 linked violation
September 23, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 18, 1988Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
July 1, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 9, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 1, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 20, 1985State Formal Notice of Violation issued14 linked violations
May 22, 1984State Violation/Reminder Notice1 linked violation
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

ADDISON AREA WATER AUTH

814-395-5414

ADDISON, PA 15411